lark
US /lɑːrk/
UK /lɑːrk/

1.
ヒバリ
a small ground-dwelling songbird, typically with a brown streaky plumage, a crest, and a melodious song, found chiefly in open country.
:
•
The sweet song of the lark filled the morning air.
ヒバリの甘い歌声が朝の空気に満ちた。
•
We watched a lark ascend high into the sky.
私たちはヒバリが空高く舞い上がるのを見た。
1.
ふざける, いたずらする
to enjoy oneself by behaving in a playful and mischievous way
:
•
The children were larking about in the park.
子供たちは公園でふざけていた。
•
They spent the afternoon larking around by the river.
彼らは午後を川辺でふざけて過ごした。