Beginner Level Advanced Level
INTERMEDIATE LEVEL
Content
EVP
occasionally
→ → →
IELTS: 
occasionally + 
: 有时候 偶尔
OXF3000ZH: 偶然 ☊ → 非经常地 ☊ → 偶而 ☊ → 
occasionally
OXF3000: 
thỉnh thoảng occasionally
OXF3000N thỉnh thoảng đôi khi occasionally
CORE: occasionally + + + + + + +
NGLS: occasionally + not very often; sometimes; seldom ☊
FN: occasionally adv Frequency
like: occasionally → →
It's all right to borrow money occasionally, but don't let it become a habit. ☊ habit ☊
We occasionally meet for a drink after work. ☊ occasionally ☊
This type of allergy can very occasionally be fatal. ☊ occasionally ☊
Only occasionally was there any doubt that they would succeed. ☊ occasionally ☊