1. 創記錄
e.g. had broken or chalked up 495 world records.
也可以說：produce a total of 495 world records.
set(up)/create/establish/make a new record.

2. 刷新記錄
rewrite/renew/better/improve the world/one's own record

3. 其它
e.g. equal/match a record
reach a record
hold/keep the record for...

4. 得冠軍，得獎牌的表達方法
e.g. had won 582 world championships
也可以說：gain world titles/championships
take/capture 6 titles out of a possible 7
sweep all the 7 titles
wrest the championship from...

5. 體育運動中的“實力”，“強項”怎么譯？
“實力”可譯作“strength””或“power”，如：Chinese athletes showed their traditional strength in some track and field events.
“實力”也可能形容詞“powerful”或“strong”表達，如：Chinese women basketball players are very powerful/strong.
“強項”可譯作“strong game/sport”。

6. “黑馬”為什么是“dark”horse？
“黑馬”是“dark”而不是“black”horse 這里dark的含義是“不清楚”，“不明朗”，表示對于某人“知道甚少”的意思。