crack a whip; 甩鞭子

swing one's arms; 甩胳膊

throw hand grenades; 甩手榴彈

The school boy opened the door and flung his satchel in. 那個男學生打開門，把他的書包甩了進去。

throw off a pursuer [tail]; 甩掉尾巴

The criminal tried to fling off the police. 那個罪犯企圖甩掉追捕他的警察。