The problem with tipping elements is that if any of them tips, it will be a real catastrophe.

问题在于，只要其中任何一个危机因素引爆，都将导致一场真正的灾难。

youdao

At full reach and without dropping your elbow, feel like you are tipping your finger-tips over the front of a barrel (again flexing at the wrist), which will start the catch.

在完全前够并且没有沉肘的时候，感觉好像你把你手指点到了一只枪管的前段（再收一点手腕），这就是抓水的开始。

youdao

In therory the amount of tips is optional, but in many places of Ameica, there are some unwritten rules on tipping.

理论上小费给多少纯属自愿，但是在美国，不少地方都有不成文的规矩。

youdao

In therory the amount of tips is optional, but in many places of Ameica, there are some unwritten rules on tipping.

理论上小费给多少纯属自愿，但是在美国，不少地方都有不成文的规矩。

youdao