1.
eighteen, nineteen, twenty.
十八，十九，二十。
2.
The Bulls won, eighty to seventy-eight.
公牛赢了，八十比七十八。
3.
One, two, three... eighteen, nineteen.
一，二，三……十八，十九。
4.
What on earth can hope to give a spectacular sight /Like the tides on the eighteenth of August at night.
“八月十八潮/壮观天下无。”
5.
Inscribed again by Baishi at the age of eighty-eight."
八十八白石”，印章“齐大”。
6.
'Almost eighteen years.'
“差不多十八年。”
7.
Well, that'll be eighteen dollars and seventy cents.
嗯 ，十八美元七毛。
8.
John XVIII(or XIX)
若望十八世(或十九世)
9.
Seventeen, eighteen, maids in waiting,
十七，十八，等待的女孩，
10.
John XVIII(or XVIII)
若望十七世(或十八世)
11.
18 is the sum of 12 and 6.
十八是十二加六的和。
12.
Eighteen-Nation Committee on Disarmament
十八国裁军委员会(十八国裁委会)
13.
Citizen of eighteen year and upwards have the right to vote.
十八岁和十八岁以上的公民有选举权
14.
Citizens of eighteen years and upwards have the right to vote.
十八岁和十八岁以上的公民有选举权。
15.
Eighty! Eighty! Eighty yuan!
八十！八十！八十元！
16.
eight, nine, ten! Eight, nine, ten!
八，九，十！八，九，十！
17.
eighty, ninety, one hundred.
八十，九十，一百。
18.
Seventy and ten is eighty.
七十加上十是八十。