[译] 接触时，它会对你造成危害。
[误] When you are in contact with mercury, it will cause you harm.

[正] When you are in contact with mercury, it will do you harm.
[注] do sb. harm, do harm to sb. (对……有害)是一种固定搭配，又如：My father has got up early all his life, and it hasn't done him any harm. 我父亲一生早起，这对他毫无害处。