/ˈwelkəm ||; ˈwɛlkəm/adj1 received with pleasure; giving pleasure 受欢迎的；令人高兴的: You're always welcome here. 这里随时欢迎你。welcome news 令人高兴的消息 [OPP] unwelcome 反义词为unwelcome
2 welcome to sth/to do sth allowed to do sth 容许: You're welcome to use my bicycle. 你可以用我的自行车。
3 used to say that sb can have sth that you do not want yourself （用于表示某人可以拥有说话者不想要的事物）: Take the car if you want. You're welcome to it. It's always breaking down. 你喜欢的话，可以随便开走这辆汽车。它老是抛锚。 welcome exclamation Welcome to London! 欢迎你来到伦敦！Welcome home! 欢迎你回来！
make sb welcome to receive sb in a friendly way 款待，欢迎（某人）
you're welcome(
spoken 口语) used as a polite reply when sb thanks you for sth 不用谢；别客气:
‘Thank you for your help.’ ‘You're welcome.' “谢谢你帮忙。”“不用客气。”