Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
他把委屈憋在心里多年,直到庭审时才完整说出来。Tā bǎ wěiqu biē zài xīnli duō nián, zhídào tíngshěn shí cái wánzhěng shuō chūlái.He kept his grievance bottled up for years and only fully spoke it out during the trial.
他憋了一口气,一下子潜到了水底。Tā biē le yì kǒu qì, yíxiàzi qián dào le shuǐdǐ.He held his breath and dived straight to the bottom.
屋子里不通风,憋得人喘不过气来。Wūzi lǐ bù tōngfēng, biē de rén chuǎn bu guò qì lái.The room has no ventilation and is so stuffy that you can hardly breathe.