孤 ⇒
孤独 gūdú, [孤獨], lonely/solitary
孤单 gūdān, [孤單], lone/lonely/loneliness
孤儿 gūér, [孤兒], orphan
孤儿院 gūéryuàn, [孤兒院], orphanage/child asylum
孤 gū, lone/lonely
孤身一人 孤立 gūlì, isolate/isolated
孤僻 gūpì, antisocial/reclusive/eccentric
孤零零 gūlínglíng, lone/isolated and without help/all alone/solitary
孤注一掷 gūzhùyīzhì, [孤注一擲], to stake all on one throw
孤军奋战 gūjūnfènzhàn, [孤軍奮戰], lit. lone army putting up a brave fight (idiom)/fig. (of a person or group of pe...
孤立无援 gūlìwúyuán, [孤立無援], isolated and without help
一意孤行 yīyìgūxíng, obstinately clinging to one's course (idiom)/willful/one's own way/dogmatic
孤寂 gūjì, lonesome/desolate
孤岛 gūdǎo, [孤島], isolated island
孤身 gūshēn, alone/lonely
孤单单 孤魂 gūhún, lonely soul
孤苦 孤苦伶仃 gūkǔlíngdīng, solitary and impoverished (idiom)
孤老 gūlǎo, solitary old man or woman/regular patron (at brothels)
孤军作战 孤陋寡闻 gūlòuguǎwén, [孤陋寡聞], ignorant and inexperienced/ill-informed and narrow-minded
孤独感 独孤 遗孤 yígū, [遺孤], orphan
孤高 gūgāo, arrogant
孤军 孤掌难鸣 gūzhǎngnánmíng, [孤掌難鳴], It's hard to clap with only one hand./It takes two to tango/It's difficult to ac...
孤鬼 孤儿寡母 孤本 孤独独 鳏寡孤独 guānguǎgūdú, [鰥寡孤獨], lit. widowers, widows, orphans and the childless/fig. people with no one left to...
苦心孤诣 kǔxīngūyì, [苦心孤詣], to make painstaking efforts (idiom); after much trouble/to work hard at sth