do a Devon Loch

To achieve a sudden and unexpected failure or loss at the last minute, especially in sports. (Devon Loch was a horse poised to win the 1956 Grand National when he suddenly leapt and fell, ultimately losing the race.) They were up by three goals, but then they did a Devon Loch in the last few minutes of the match.

Farlex Dictionary of Idioms.

See also:

a (sudden) rush of blood (to the head)
a rush of blood
melt up
melt-up
a/the turn of events
TEOTWAWKI
be in for a surprise
the end of civilization as we know it
get more than (one) bargained for
all over (oneself)

词组	do a Devon Loch
释义	do a Devon Loch do a Devon Loch To achieve a sudden and unexpected failure or loss at the last minute, especially in sports. (Devon Loch was a horse poised to win the 1956 Grand National when he suddenly leapt and fell, ultimately losing the race.) They were up by three goals, but then they did a Devon Loch in the last few minutes of the match. Farlex Dictionary of Idioms. See also: a (sudden) rush of blood (to the head) a rush of blood melt up melt-up a/the turn of events TEOTWAWKI be in for a surprise the end of civilization as we know it get more than (one) bargained for all over (oneself)
随便看	float a loan float an air biscuit float an idea float around float a trial balloon floating float into float into (something) float on float on air float (one's) boat float somebody's boat float someone's boat float through float through (something) float (up)on (something) float/walk on air flock flock after flock after (someone or something) flock around flock around (someone or something) flock in flock in(to) (some place or thing) flock to