占便宜: 1.(取得额外利益) gain extra advantage by unfair means; profit at other people's expense 短语和例子不要占他人的便宜。 don't profit yourself at the expense of others.2.(有优越条件) be in an advantageous position; ad
失策: misjudge; miscalculate; unwise; inexpedient 短语和例子这样做非常失策。 it was a very unwise move