Collins Chinese Dictionary Plus (3rd edition), 2011:
welcome [ˈwɛlkəm]
I adj
[+ visitor, news, change etc] 受欢(歡)迎的 shòu huānyíng de
II n
[c]
欢(歡)迎 huānyíng
III vt
1
[+ visitor, speaker etc] 欢(歡)迎 huānyíng
2
[+ news, change etc] 欢(歡)迎 huānyíng
- welcome to Beijing!
欢(歡)迎到北京来(來)! huānyíng dào Běijīng lái! - to make sb (feel) welcome
使某人(感到)受欢(歡)迎 shǐ mǒurén (gǎndào) shòu huānyíng - to be welcome to do sth
欢(歡)迎做某事 huānyíng zuò mǒushì - "thank you""you're welcome!"
"谢(謝)谢(謝)你。""别(別)客气(氣)!" "xièxie nǐ""bié kèqi!" - to give sb a warm welcome
热(熱)烈欢(歡)迎某人 rèliè huānyíng mǒurén