This is just a wild guess, but maybe it was all those hours you spent practicing over the past month.

My comments:

A guess is a rough estimation, an attempt to answer a question or make a judgment about something without having all the necessary facts, so that you’re not sure whether you’re correct.

In other words, a conjecture.

Wild guess?

Hence a wild guess sounds even more out of control, crazy, suggesting you’re making a guess without careful consideration of the matter at all.

This is just my wild guess – maybe it was the rain. Blame it on rain.

Just kidding.

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In the high teens

Touch up

Unforced error

Catch a break

City slicker

Political correctness

Gee up

Big mind

Blanket statement

Making knee-jerk changes is not in our DNA

Pick one's brains

A good eye

Thank one's stars for

Real money

Nodding acquaintance

Flip out over nothing

Bury the hatchet& have an ax to grind

Vocal proponent

Growing pains

Fleeting acquaintance

All-weather friend

Lead the pack

Fish or cut bait

Gilt-edged

To do more with less

Right down the middle

Take my word for it

40-sometimes

Last but not the least

Call it a dog

Pull my leg

Ego bath

Tough call

Rain check

Upper reaches

Off the shoulders

Off and running

Gold dust

Frugality fatigue

Red flag

Foregone conclusion

Call balls and strikes

Go to Zhang Xin's column

本文僅代表作者本人觀點，與本網立場無關。歡迎大家討論學術問題，尊重他人，禁止人身攻擊和發布一切違反國家現行法律法規的內容。

About the author:

Zhang Xin（張欣） has been with China Daily since 1988, when he graduated from Beijing Foreign Studies University. Write him at: zhangxin@chinadaily.com.cn, or raise a question for potential use in a future column.