thỉnh thoảng 
occasionally like: occasionally
VNEN
họa hoằn * ☊ 
seldom, rarely, very occasionally, far between, once in a blue moon * ☊ VNEN
một đôi khi * ☊ sometimes, occasionally * ☊ VNEN
thi thoảng * ☊ occasionally, once in a while * ☊ VNEN
thảng hoặc * ☊ supposing occasionally * ☊ VNEN
thỉnh thoảng * ☊ from time to time, now and then, sometimes, every so often, occasionally * ☊ VNEN
đôi khi * ☊ sometimes, occasionally * ☊