lark
/lɑ:k; lɑrk/ n
1 any of several small songbirds, esp the skylark 百灵科鸣禽; （尤指）云雀.
2 (idm 习语) be/get ,up with the `lark get up early in the morning 早起.
lark / lɑ:k; lɑrk/ n (usu sing 通常作单数) (infml 口)
1 bit of adventurous fun 戏谑; 玩笑
The boys didn't mean any harm they were only having a lark. 那些男孩子无意作恶--他们不过在闹著玩罢了.
They stole the car for a lark, but now they're in trouble. 他们偷了汽车原以为好玩, 现在可惹祸了.
What a lark! ie How amusing! 真有趣!
2 (Brit ironic 反语) (esp) unpleasant or irritating type of activity （尤指）不愉快的或令人恼怒的活动
I don't much like this queuing lark. 我可不太喜欢排队的事. lark, v [I, Ip]
~ (about/around) behave playfully or irresponsibly 胡闹; 行为不负责任
Stop larking about and get on with your work. 别到处胡闹了, 干活儿去吧.