两国相争,不斩来使

liǎng guó xiāng zhēng , bù zhǎn lái shǐ

when two kingdoms are at war, they don't execute envoys (idiom)

liǎng

two

guó

country; nation; state

xiāng

each other

zhēng

to strive for

,

no; not so

zhǎn

to behead (as form of capital punishment)

lái

to come

使

shǐ

to make