光阴似箭 | guāng yīn sì jiàn | time flies like an arrow (idiom) / How time flies! | |
日月如梭 | rì yuè rú suō | the sun and moon like a shuttle (idiom) / How time flies! | |
白驹过隙 | bái jū guò xì | a white steed flits past a crack (idiom) / How time flies! | |
光阴荏苒 | guāng yīn rěn rǎn | How time flies! (idiom) |