quword
趣词
Word Origins Dictionary
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
pitfall (n.)
[pitfall 词源字典]
c. 1300, "concealed hole," a type of animal trap, from
pit
(n.1) +
fall
(n.). Extended sense of "any hidden danger" is first recorded early 15c.
[pitfall etymology, pitfall origin, 英语词源]
[pitfall 词源字典]