哑然失笑 [yǎ rán shī xiào]1. can't help laughing; break into laughter; chuckle to oneself; can't suppress one's laugh; be unable to swallow a laugh; laugh involuntarily; unable to stifle a laugh
听到这里，主编 哑然失笑 ( Help laughing )：“关于投注平台出租，虽然未必完全赞成你的看法，但我认同你推理的逻辑。
He could afford to smile now when he recalled the solemn Browning class in which he had first lost his heart.2.
When he reflected on his former opinions, which were but those of yesterday, and which, nevertheless, seemed to him already so very ancient, he grew indignant, yet he smiled.3.
Today's anxieties are no different, with education wonks from across the policy spectrum enlisting the U.S. education system's sorry global ranking to make the case for their pet ideas.