1.time off
time off意思是”(正式规定的)休假或放假"。如:
Ifyouare feeling tired,you should take sometime off.
Willyou mind if l have some time off?Hegave up holidays and other time off.

2.Welcome to Beihai Park.
welcome (sb.) to ...欢迎某人进入.…..。如Welcome to our school.
welcome home.
welcome也可以作名词,“欢迎”。如:give visitors a warm welcome
receive a cold welcome
别人说thank you 或thanks时，可以用Youare welcome.来回答。

3. I can hardly believe ...
hardly adv.几乎不,仅仅",含有否定的意味,放于be动词或助动词之后、行为动词之前。如:
ltwas so dark that l could hardly see anything.The old people can hardly speak English.l haven't seenher for years but shehashardlychanged at all.