tag along
柯林斯詞典
1. PHRASAL VERB If someone goes somewhere and you tag along, you go with them, especially when they have not asked you to. (尤指未被邀請地) 跟隨
I let him tag along because he had not been too well recently. 我讓他跟著走，因爲(wèi)他最近一直感到不太舒服。
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