The purpose of this experiment was to see if forgetting the location would lead to the apes looking harder for it.

这个实验的目的是想了解遗忘食物的位置是否会给大猿的寻找过程增加困难。

youdao

Reid said he is always looking for Republicans to work with, but added that they are getting harder and harder to find.

VOA: standard.2009.10.26

That leaves the Bini Smaghi problem looking even harder to solve.

FORBES: European Central Bank Independence: Theory and Reality

He said he was glad of the personal meeting, but would now be looking for "much harder, more specific commitments in the next three to six months".

BBC: Mandelson's 'disappointment' after Kraft meeting

No matter if they are in their 20s, 30s, 40s or 50s, they always find women under 30 years old, so many women in their late 20s have an even harder time looking for marriage partners.

BBC: Q&A: Chinese dating consultant Zhou Xiaopeng