skating on thin ice 让人产生谨小慎微的联想；如履薄冰

【例句】
She was skating on thin ice when she jumped from one building to the other.
她从一栋楼跳到另一栋楼时如履薄冰。

A handful of savings and loan associations in the state are also known to be skating on thin ice.
据悉这个国家的少数储蓄和贷款团体也正如履薄冰。