但 dàn
conjunction | adverb
: but; yet; however
: only; merely; still
但 OR 只 | ただ tada
No-adjective
: (Usually written using kana alone) ordinary; common; usual
: free of charge
: unaffected; as is; safe; (Adverb) only; merely; just; simply
: but; however; nevertheless
但し | ただし tadashi
Conjunction
: but; however; provided that
タン tan
だん dan
但是 dan4shi4: but; however
但卻[却] dan4que4: however
但書[书] dan4shu1: proviso; qualifying clause
[但し書き | ただしがき tadashigaki: proviso]
但願[愿] dan4yuan4: if only (something were possible); I wish (that)
不但 bu4dan4: not only (…but also…)
非但 fei1dan4: not only
但馬牛 | たじまうし tajimaushi: Tajima cow (breed of black Wagyu cattle); Tajima cattle
Japanese common word
だけど dakedo: however
けど kedo OR けれど keredo: but; however; although
併し OR 然し | しかし shikashi: however; but
Chinese idiom
但說無妨 [但说无妨] dan4 shuo1 wu2 fang2
: there is no harm in saying what one thinks
但願[愿]如此 dan4 yuan4 ru2 ci3
: if only it were so; I hope so
不求有功,但求無過[无过] bu4 qiu2 you3 gong1 , dan4 qiu2 wu2 guo4
: special achievement not required, just no hyperactive blunders; not hoping to acquire merit, just avoiding mistakes. Take it easy and keep your nose clean
形声 Pictophonetic.
亻 (ren2: person Radical 9) suggests the meaning while
旦 (dan4: dawn) provides the sound.
Examples:
我很餓。但飯菜有怪味。
wo3 hen3 e4. dan4 fan4cai4 you3 guai4wei4.
I’m starving. But the food tastes (smells) strange.
他看上去老,但他還不到30歲。
ta1 kan4 shang4qu4 lao3, dan4 ta1 hai2 bu4 dao4 30 sui4
He looks old, but he is still in his twenties.
Resources: Chinese Dictionary | Japanese Dictionary