The competition to play host is as keen as anything on the track.
onthe track应该是指田径场上的比赛，这里是把争夺主办国同赛场上的体育比赛做了比吧？对主办权的争夺，和赛场上任何一场比赛都一样激烈。
Shanghai will play host to the 2002 Tennis Masters Cup.
上海将是2002年世界杯网球锦标赛的主办地。
The team will play against the host South Africans at 10:00 pm Tuesday (Beijing Time).
法国队将于北京时间今晚22点迎战东道主南非队。
I will play host to the class meeting.
我将担任班会的主持人。
After the meeting I had to properly welcome the director at night and play a good host.
开会之后，晚上我做东为导演洗尘，一尽地主之谊。
After the meeting I had to properly welcome the director at night and play a good host.
开会之后，晚上我做东为导演洗尘，一尽地主之谊。
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