控えめに言う
Expression- 1to speak with restraint ; to understate ; to downplay ; to put it mildly ; to say the least Translated by Jiyomi
Other writings and readings
控え目に言う控えめにいうひかえ目に言う
expressions (phrases, clauses, etc.) · Godan verb with 'u' ending
JMdict entry 2759980. Source and licence.