?? 詞語組成解析
lever
['li:v?, 'lev?]
n. 杠桿;操作桿;工具;
vt. 用杠桿撬動;
hang
[h??]
vt. 懸掛;（被）絞死;貼，裝飾;使懸而未決;
vi. 懸垂;被吊死;附屬，依靠;懸而未決;
n. 懸掛的樣子;（動作的）暫停;〈口〉大意，要點;〈口〉做法，訣竅;
??? 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要學多少東西。我必須得通過考試。
I have received a letter from my cousin.
我收到了我表兄的信。
but the took a long time to send them Meanwhile,
但過了好長時間不見他把數字寄來，