come in useful idiom UK
C2 派上用场，有帮助
to be useful and help someone to do or achieve something
You should keep that paint - it might come in useful one day. 你应该留着那些油漆——说不定哪天会派上用场。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。