like: chăm chú
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
chăm chú * ☊ 
to be attentive, concentrate; concentrating, with concentration * ☊
[ chăm ] : hard, laborious, diligent, hard-working
[ chú ] : (1) uncle, father’s younger brother; (2) to note, annotate, explain, mark; (3) to pour; (4) incantation, spell
[ chú ] : uncle