1 great effort

2 to strive

3 to try hard

1 abbr. for 哈薩克斯坦|哈萨克斯坦[Hā sà kè sī tǎn], Kazakhstan

2 abbr. for 哈爾濱|哈尔滨[Hā ěr bīn], Harbin

1 (onom.) laughing out loud

1 Harvard

1 to laugh heartily

2 to burst into loud laughter

1 to use one's best efforts to do sth (idiom)

1 for no reason (idiom)

1 empty hand, empty fist (idiom); having nothing to rely on

2 unarmed and defenseless

1 lit. to go into battle bare-breasted (idiom)

2 fig. to go all out

3 to come out in the open

1 lit. red-bellied devotion (idiom); wholehearted loyalty

2 to serve sb with body and soul