like: đáng lo ngại
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
đáng lo ngại * ☊ 
troublesome, worrisome, disturbing * ☊
[ đáng ] : to deserve, to merit; worthy, worth
[ lo ] : (1) worried, anxious, afraid; to worry, fear, frighten; (2) to care about, look after
[ ngại ] : to worry, fear, be troubled by; worried, hesitant, fearful
[ lo ] : worry
OXF3000: 
đáng lo ngại 
disturbing
OXF3000: đáng lo ngại worrying