1 laugh 表示“笑”,指出聲的大笑。
Children are jumping and laughing on the sports ground. 孩子們在操場上又跳又笑。
We all laughed loudly at the joke. 聽了那個笑話,我們都大笑起來。
He laughed when he saw it. 他看到那個就笑了。
2 laugh at 意為“嘲笑,因……而笑,對……一笑置之”。
Everyone laughed at his foolish behaviour. 大家都笑他的愚蠢行為。
Don't laugh at those in trouble. 不要嘲笑陷于困境的人。
3 smile 意為“微笑”,通常指不出聲的笑。
The old man sat down with a smile on his face. 老人坐了下來,臉上露出了笑容。
She smiled at me. 她向我微笑。
He smiled to welcome us. 他微笑著對我們表示歡迎。