jiàn​tù​gù​quǎn

to act at the right time

Senses

见兔顾犬/ 見兔顧犬 jiàn​tù​gù​quǎn to act at the right time

To act or take measures as soon as the opportunity or situation arises; to cope with a sudden situation; it suggests that taking action late is better than not at all, often paired with the idiom 亡羊补牢 wáng​yáng​bǔ​láo

References

synonym 见兔顾犬/見兔顧犬 亡羊补牢/亡羊補牢