名詞 marathon:

1. any long and arduous undertaking
   同義詞：endurance contest
2. a footrace of 26 miles 385 yards
3. a battle in 490 BC in which the Athenians and their allies defeated the Persians
   同義詞：battle of Marathon

1. After running in the marathon, she was flat out for a week.
   她參加馬拉松比賽後一星期都疲憊不堪。
2. Marathon runners need plenty of stamina.
   參加馬拉松長(zhǎng)跑要有耐力。
3. Towards the end of the marathon several runners showed signs of distress.
   馬拉松賽接近終點(diǎn)時(shí)，有些參賽者顯出極難受的樣子。
4. He can hardly run a mile, much less the marathon.
   他連一哩都跑不了，更不用說馬拉松了。

mar.a.thon

n.（名詞）
Sports
【體育運(yùn)動(dòng)】
A cross-country footrace of 2' miles, 385 yards (4.3 kilometers).
馬拉松賽跑：一種越野跑步比賽，總長(zhǎng)為2'英里，385英尺（4.3公里）
A long-distance race other than a footrace:
競(jìng)走以外的其它長(zhǎng)距離比賽：
例句：
a swimming marathon.
長(zhǎng)距離游泳

A contest of endurance:
顯示耐力的比賽：
例句：
a dance marathon.
舞蹈馬拉松

An event or activity that requires prolonged effort or endurance.
需要長(zhǎng)時(shí)間努力或耐力的事件或活動(dòng)

來源：
After Marathon [so called because a messenger ran from there to Athens to announce a victory over the Persians in 490] b.c.
源自 Marathon [起源于] 公元前