he'd
contr. 他将（he would）；他已经（he had）
例句
"If he'd already killed once, surely he'd have killed Sarah?" She had a point there.
“如果他已经杀过一次人，莎拉就一定是他杀的了吗？”她这句话有道理。
《柯林斯英汉双解大词典》
He'd been farting all night.
他一晚上都在放屁。
He'd never learned to read.
他一直没有学会阅读。
