a very tricky thing 非常有技巧的事
a tricky thing
一个棘手的问题
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Thee past is a tricky thing.
过去是对命运的捉弄。
youdao
[ultimately] business lifecycle is a tricky thing.
最终，业务生命周期成为棘手的问题。
It's a tricky thing to do but with practice you'll get used to it.
这虽然需要一定的技巧，但是通过练习你很快会掌握的。
The first question hinges on causation, a tricky thing to show at the best of times.
ECONOMIST: Scientific justice
Drafting public policy that will create jobs and put people back to work is a tricky thing.
CNN: There's no 'magic wand' for jobs
Keyboard preference is a tricky thing, and gamers are among the pickiest -- not that mobile computers offer them much choice.
ENGADGET: Razer Blade review (late 2012)
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