it is ----- hard

it is ----- hard it is a hard work还是it is hard work It is hard to please It is snowing very hard. It is hard to wait It is raining ____(hard). It is smooth and hard I like flying kites.It is ( ) hard easy not hard He works hard.It was hard.It is hard.怎么翻译. How hard is it to learn Chinese? Endlish is ( ).Please work hard at it. It is hard to bear with criticism.