成天的用法和樣例：
例句
-
這個地方的電視成天開著。
The TV stays on all day at this place. -
如果你們成天遊手好閒，就永遠也成不了好學生。
You will never be good students so long as you goof around. -
吉姆的子女都成家了，他成天都呆在家裡不出門。
Jim's children are married and he stays at home all the time. -
她成天嘮嘮叨叨地找他岔子。
She nagged at him all day long. -
成天給信封寫地址是一種沉悶單調的工作。
Addressing envelopes all day long is dreary work.
