Tāmen de fángxiàn chánruò, méiyǒu yí zuò jiāngù de bǎolěi.
Their defenses were weak, with not a single strong fort.
Tips
usage
In this reading 孱 is a bound literary morpheme, mostly in 孱弱 ('frail, feeble') — of a body, a state, or a defense. A separate reading 孱 appears in the dialect word 孱头.
