1. 发出：fling mud at 诽谤 | fling off 发出 | fling oneself into 投入
2. 甩掉; 挫败; 气冲冲地突然跑开：fling into 突然冲进 投入, 急速派遣 | fling off 甩掉; 挫败; 气冲冲地突然跑开 | fling oneself about 手舞足蹈; 发怒而暴跳
verb
1. write quickly
e.g. She dashed off a note to her husband saying she would not be home for supper
He scratched off a thank-you note to the hostess
Synonym: dash off scratch off knock off toss off