That is impossible to engage on such things.

从事这种事情是不可能的。

Special hardened metal-cutters on the inside of the tool engage on the external surfaces of the fish.

在该工具内面的特殊的经硬化处理的金属割刀与落鱼的外表面接合。

However, to be effective, the members of our community must engage on this issue, understand the importance of our licensing philosophy, and promote that philosophy to others.

为此，我们社区的成员应着手从事这项事务，理解我们授权哲学的重要性，并向其他人宣传这种哲学。

I was unwilling to engage on such terms.

根据这样的条件我不愿答应.

I'm unwilling to engage on such terms.

我不愿就这样的条件作担保.