like: 无缘无故 → →
无缘无故 [wu2 yuan2 wu2 gu4] ☊ 
no cause, no reason (idiom); completely uncalled for ☊ 
/sans cause/sans raison/sans motif sérieux/ ☊ /sans cause/sans raison/sans motif sérieux/ ☊ 无缘无故 [wu2 yuan2 wu2 gu4] ☊ no cause, no reason (idiom); completely uncalled for ☊ /sans cause/sans raison/sans motif sérieux/ ☊ /sans cause/sans raison/sans motif sérieux/ ☊