n.悲伤；可怜
He was rueful for joining the army. 他感到后悔去参军。
He thought of her with a rueful smile. 他苦笑着回想她。
He rubbed his cheek with pseudo ruefulness. 他露出假装悔恨的表情摸摸自己的脸颊。
She managed a rueful little smile. 她勉强露出颇带惆怅的一丝笑容。
It would be a rueful one, however. 2002年，塞梅尔先生曾考虑过收购谷歌。
