他满口脏话却是我依靠她肩膀瘦弱却是我依靠
[tā măn kŏu zàng huà què shì wŏ yī kào tā jiān băng shòu ruò què shì wŏ yī kào]
It describes a dependency on someone (often referred as 'he' who swears a lot but remains a reliable support). Despite his seemingly negative traits, this person is someone the user can depend on. Similarly, the weak shoulders of a girl also offer support.