书籍 Four Corners 4 - 第五单元 B 课

something that causes difficulties and is hard to overcome

问题, 难题

to care for someone, help them, or keep them safe

quickly and without hesitation

立即, 马上

a small, often rounded, handle that lets one open and close a door

把手, 旋钮

to appear to be or do something particular

看起来, 似乎

to force or convince someone to do something

说服, 使得