疑心to have doubts
我是说他呢，你吃什么心?
I'm talking about him. What are you worrying about?
留心；尽心to pay attention to; to put one's heart into
他吃心地阅读，忘掉了一切。
He put everything else aside to concentrate on reading.
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。