He is thinking of you.
来源：这句话是由动词"think"和介词"of"组成的短语。"Think"表示思考或考虑的意思，而"of"表示关于或对于的意思。
例句1: He is always thinking of you when you're away.
翻译：当你不在时，他总是在想你。
例句2: She couldn't help thinking of her mother when she saw the flowers.
翻译：当她看到那些花时，她情不自禁地想起了她的母亲。