needless to say

English

needless to say (not comparable)

(idiomatic) Clearly, obviously.
Having won the championship, he is, needless to say, a very happy man.
- 1951 September, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 623:
  Some time ago I was on the footplate of an engine fresh from the shops after overhaul, and the combined efforts of driver and fireman were needed to open and close the regulator. Needless to say, the men were not in a very happy frame of mind."

obviously

Bulgarian: разбира се (razbira se)
Chinese:
Mandarin: 不言而喻 (zh) (bùyán'éryù), 不待說／不待说 (bùdàishuō)
Finnish: sanomatta kin selvästi, silminnähden, ilmiselvästi, sanomattakin lienee selvää
French: cela va sans dire (fr)
German: selbstredend (de), selbstverständlich (de), ohne Frage, ohne Zweifel, zweifellos (de), überflüssig zu erwähnen, unnötig zu erwähnen
Hungarian: mondanom se kell
Italian: inutile a dirsi
Japanese: 言うまでもない (ja) (いうまでもない, iu made mo nai)
Norwegian: selvsagt, selvfølgelig
Polish: rzecz jasna f, jasna rzecz f, wiadomo (pl)
Russian: само́ собо́й разуме́ется (ru) (samó sobój razuméjetsja)
Spanish: huelga decir, ni que decir tiene