如果你一定要抽烟，请选择吸烟区第一排的座位。
If you must have a cigarette, choose a seat in the first row of the smoking section.
有时，你一定要能够理解所写的内容并解释其含义。
Sometimes, you must be able to understand what is written and explain the meaning of them.
如果你一定要油炸，一定要把食物放在厨房的纸上，翻动几次尽量把油吸干。
If you must deep fry, be sure to drain the food on kitchen paper, turning it a few times to drain off as much oil as possible.
“你一定要来参加托德的毕业派对。”——“非常乐意。”
"You have to come to Todd's graduation party."—"I'd be delighted."
在那家当地商店可能关门时，你一定要确保自己有度过难关的食物。
Make sure you have food to tide you over when the local shop may be shut.
如果开了镇静剂，一定要让医生告诉你它可能带来的副作用，例如上瘾。
If a tranquilizer is prescribed, be sure your physician informs you of its possible side effects, such as addiction.
听着，如果你和伊丽莎白讲话或什么的，一定要让每个人都知道，你能做到吧。
Listen, if you talk to Elizabeth or anything make sure you let everyone know, will you.
这真是个令人作呕的习惯，你一定要停止这个习惯。这样太没礼貌了。
It's a really disgusting habit and you have to stop doing this. It's so impolite.
这篇论文占你总成绩的很大一部分，所以一定要按照说明做。
This paper is a large part of your cumulative grade, so make sure to follow the instructions.
选择字体时一定要细心，因为错误的字体会让你看起来像个真正的笨蛋。
Be careful about which fonts you use because the wrong one makes you look like a proper wally.
如果你在户外生火或烧烤，一定要小心，离开前一定要确保炉灰是冷的。
Be careful if you have an outdoor fire or barbecue — make sure ashes are cold before leaving.
一定要淡化它，不要让你的自我妨碍你。
躺在床的边沿，摇摇欲坠，如果你一定要的话，可以发火，但要躺在同一张床上。
Lie precariously at the edge of the mattress and fume if you must, but lie in the same bed.
当然，那里也有以前最受欢迎的景点，如水族馆和鳄鱼洞，但如果你不够时间参观所有的景点，请一定要去海龟镇。
Of course, there are the old favourites like the Aquarium and the Crocodile Cave, but if you don't have time to see everything, make sure you visit Turtle Town.
如果你在旅行时喜欢住便宜的旅馆，一定要确保你能从里面锁上房间的门。
If you prefer to stay in cheap hotels while travelling, make sure you can lock the door of your room from the inside.
如果你想去上1点的课，你可以这样做，但是一定要和我的助教安排一下。
If you want to go to class at 1:00, you're welcome to do so, but please arrange it with my assistants.
如果你在苛刻的批评、嘲笑和焦躁下成长，那么一定要称赞、疼爱并耐心地对待你的孩子。
If you grew up with harsh criticism and ridicule and impatience, then be sure to compliment, love, and exercise patience with your children.
一定要尽可能多读些剧本，它会告诉你最近的格式变化和比你更成功的剧本。
Definitely read as many scripts as you can, which will show you the recent formatting changes and scripts that are more successful than yours.
一定要注意你饮酒和吸烟的习惯。
如果你有机会，一定要去奥克兰博物馆，因为那里有最后一个幸存的“鸟人”风筝展览。
If you have a chance, do visit the Auckland Museum because they have the last surviving "birdman" kite on display.
为了增强自尊心，你设定的目标一定要是你能够达到的。
In order to build up your self-esteem, the targets you set should be within your reach.
如果使用便携式厕所，一定要把你的厕所垃圾扔到适当的垃圾站。
If using a portable toilet, always throw away your toilet waste at a proper waste station.
塑料袋每年会导致10万只海洋动物死亡，因为这些动物误以为它们是食物。所以如果你必须使用它们，一定要回收它们。
Plastic bags cause the deaths of 100,000 marine animals each year because the animals mistake them for food. So if you must use them, always recycle them.
你出去之前一定要收拾一下。
想要吸引漂亮的女生进入你的生命是否就意味着你一定要具备所有这些东西呢？
Does it mean that you have to be all these things in order to attract beautiful women into your life?
一定要涂抹防晒霜，或者只使用含有 SPF 的面部保湿霜，每天早晨从你的脖子一直到你的胸部。
Be sure to apply sunscreen, or just use your facial moisturizer with SPF, all the way down past your neck though your chest each morning.
你一定要来我家和我一起吃汉堡。
你一定要在你的小妹妹睡觉的时候发出这么多噪音吗？
Must you make so much noise when your little sister is sleeping?
你打喷嚏或咳嗽时，一定要用一张纸遮住你的嘴和鼻子，再去洗手。
Always cover your mouth and nose with a piece of paper when you sneeze or cough, and then clean your hands.
你可以在烹饪之前先将海鲜解冻，但是如果你这样做的话，一定要尽快地把它煮熟。
You can thaw out the seafood before cooking it, but if you do this, make sure you cook it as quick as you can.
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