(I) must dash/(I) have to dashLEAVE A PLACE British EnglishBrE spoken used to tell someone that you must leave quickly （我）得赶紧走了 Anyway, I must dash – I said I’d meet Daniel at eight. 好了，我得赶紧走了，我约好了八点钟和丹尼尔见面。
→ (I) must dash/(I) have to dash at dash1(2)