occasion 
: 时刻 时候 场合 时机，机会 起因，理由 vt. 
occasion 
คราว ☊ khraaoM 
cơ hội 
起因 
Anlass like: occasion → →
to have the opportunity, occasion (to do something) ☊ 
có dịp ☊ on the occasion of ☊ nhân dịp ☊ on the occasion of ☊ nhân lễ ☊ on the occasion of ☊ nhận dịp ☊ on the occasion of, by the way ☊ sẵn dịp ☊ on the occasion of, at the time of ☊ trong dịp ☊ on the occasion of ☊ vào dịp ☊ cause, be the cause of, occasion give rise to ☊ xui nên ☊ He tends to get emotional on these occasions. ☊ emotional ☊
Foreign visitors help to give a truly international flavour to the occasion. ☊ flavour ☊
The wedding was a very grand occasion. ☊ grand ☊
The wedding was a great occasion. ☊ great ☊
It's all right to borrow money occasionally, but don't let it become a habit. ☊ habit ☊
The meeting of father and son after so long was a joyous occasion. ☊ meeting ☊
'I didn't realise it was a formal occasion.' 'Obviously!' (= I can see by the way you are dressed) ☊ obviously ☊
on this/that occasion ☊ occasion ☊
I've met him on several occasions. ☊ occasion ☊
I can remember very few occasions when he had to cancel because of ill health. ☊ occasion ☊
They have been seen together on two separate occasions. ☊ occasion ☊
On one occasion, she called me in the middle of the night. ☊ occasion ☊
He used the occasion to announce further tax cuts. ☊ occasion ☊
a great/memorable/happy occasion ☊ occasion ☊
Turn every meal into a special occasion. ☊ occasion ☊
They marked the occasion (= celebrated it) with an open-air concert. ☊ occasion ☊
Their wedding turned out to be quite an occasion. ☊ occasion ☊
He was presented with the watch on the occasion of his retirement. ☊ occasion ☊
It should have been an occasion for rejoicing, but she could not feel any real joy. ☊ occasion ☊
I'll speak to him about it if the occasion arises (= if I get a chance). ☊ occasion ☊
He has been known on occasion to lose his temper. ☊ on occasion(s) ☊
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 ☊
on one occasion ☊ on ☊
We had met on two previous occasions. ☊ previous ☊
On the rare occasions when they met he hardly even dared speak to her. ☊ rare ☊
It happened on three separate occasions. ☊ separate ☊
They had been invited to a Hindu wedding and were not sure what happened on such occasions. ☊ such ☊
I can think of at least three occasions when he arrived late. ☊ think of sth/sb ☊