dān​sī​bù​chéng​xiàn

one person alone cannot achieve much

Senses

单丝不成线/ 單絲不成線 dān​sī​bù​chéng​xiàn one person alone cannot achieve much

a single thread cannot make a cord; one person cannot accomplish a task alone and needs cooperation from others

References

see 独木不成林/獨木不成林 单丝不成线/單絲不成線