借口
jiè koǔ · HSK 7
excuse
🙊 借口 = 借 borrow + 口 mouth: an excuse is a borrowed mouth, words you borrow to cover yourself
借 — person radical 亻 + 昔 (formerly)
借 combines the person radical 亻 with 昔, which provides the sound and originally meant 'former times.' The character depicts a person engaging in an act tied to time — borrowing or lending something with the expectation of return. Today it means 'to borrow' or 'to lend.'
口 — pictograph of an open mouth
口 is one of the oldest pictographs in Chinese, originally drawn as a simple outline of an open mouth. Its core meaning 'mouth' extended naturally to 'opening' or 'entrance', as in 入口 (entrance). It also serves as a common radical in characters related to speech, eating, or apertures.