動詞 boggle:

1. startle with amazement or fear
2. hesitate when confronted with a problem, or when in doubt or fear
3. overcome with amazement
   同義詞：flabbergast, bowl over

1. I tried to check the accounts but there are so many entries altered or crossed out that it makes one's mind boggle.
   我試圖將賬目核實一下，但變更或銷掉賬目實在太多，真是令人頭痛。
2. My neighbour wears his dressing-gown to work. The mind boggles!
   我的鄰居穿著晨衣去上班. 真不可思議！
3. He boggled at the thought of swimming in winter.
   他想到要在冬天游泳就有些猶豫。

bog.gle

v.（動詞）
bog.gled,bog.gling,bog.gles
v.intr.（不及物動詞）
To hesitate as if in fear or doubt.
躊躇：因害怕或懷疑而猶豫
To shy away or be overcome with fright or astonishment:
躲閃：由于害怕和吃驚而避開或受到驚嚇：
例句：
.The mind now boggling at all the numbers on the table, both sides agreed to a recess of an hour.(Henry A. Kissinger)
.由于不愿面對桌子上那些讓人困惑的數(shù)字，雙方同意休息一小時.(亨利A.基辛格)

To botch; bungle.
笨拙地干；不熟練地工作
v.tr.（及物動詞）
To cause to be overcome, as with fright or astonishment.
嚇倒，使為難：使為難，如因害怕或驚嚇

來源：
Probably from boggle
可能源自 boggle
dialectal variant of bogle
bogle的方言變體

【引伸】
bog.gle
n.（名詞）
bog.gler
n.（名詞）