Picture a hand coming up in front of something. Hold it up and it cannot move on — a car, a job, a person in a queue. The very same raised hand can also keep a thing from falling down. Both of those actions are packed into the noun hold-up: something stopped, or something kept up.
hold-up 可以想成一隻手在前面舉起來。東西被那隻手擋住，就走不下去了：車子、工作、排隊的人都一樣。同一隻舉起的手，也可以是把東西撐住、不讓它掉下來。這個名詞的幾個意思，就像從這兩個動作長出來的。
From the word’s history
Wiktionary records hold-up as a deverbal noun — a noun made straight from the verb phrase hold up. The two readings of that verb (stop something; keep something up) are what the noun inherits.
Wiktionary 記錄 hold-up 是 hold up 的 deverbal，也就是直接從這個動詞片語變成的名詞。動詞的兩種讀法——把東西擋下來、把東西撐住——正好對上名詞的幾個意思。
Wiktionary, entry “hold-up” (kaikki extract supplied in this packet): “A deverbal from hold up.”
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