今日美语俚语 - (to) get a handle on

Idiom: "(to) get a handle on"

Definition:

to gain an understanding of

Examples:

1) Calculus is a difficult subject to get a handle on if you don’t study.

2) Once you get a handle on the rules, playing the game is easy.

中文解释：http://www.youzienglish.com/main/idiom_of_the_day/to_get_a_handle_on/cn/