可怜的姑娘以强颜欢笑来掩饰悲伤。

The poor girl disguised her sorrow beneath a cheerful appearance.

在葬礼上，他强颜欢笑面对前来吊唁的人。

At the funeral, he forced a smile for anyone who offered condolences.

翎你可以强颜欢笑，但你无法欺骗自己。

You can fake a smile, but you can't fake your feelings.

虽然对现状感到不满，但他除了强颜欢笑之外别无他法。

Disappointed about the current situation, he could do nothing but put on a brave face.

请求员工微笑办事大概拔苗助长，由于美国研究者称强颜欢笑会进一步粉碎员工心情，从而影响事变。

Requiring employees to smile at customers may backfire because US researchers say fake smiling worsens mood and affects productivity.