区分: 意思不同
sad:
adj. 难过的悲哀的，令人悲痛的凄惨的，阴郁的（形容颜色）
crying:
adj. 极大的，显著的叫喊的，嚎哭的
n. 哭泣，哭泣声
v. 哭泣，流泪喊叫，大声说出乞求发出刺耳的叫声，吠（小贩）沿街叫卖（cry 的现在分词）I have a sad news for you.
我有个令人遗憾的消息告诉你。
She looked sad and tired.
她看上去伤心而疲惫。It sounded like crying to me.
在我听来这像哭。
He felt like crying with rage.
他气得想哭。
Her eyes were red from crying.
她的眼睛都哭红了。
Her eyes were puffy from crying.
她眼睛都哭肿了。
I just couldn't stop crying.
我哭啊哭啊，怎么也止不住。
