1、I can mount his enthusiasm at a word .

2、The murderer was shot to death at a word.

3、They, as the saying goes, were "at a word and a blow" with their best friends.

4、Evidently his wife was not going to patch up peace at a word.

5、At bridge table or a chess board, at a word game-the psychological pressure he put on you to lose was usually irresistible.