for some reason
https://gyazo.com/1acedf34ea4e0c7ad05e7bb5fa5bf32b
for some reason
used to convey that one doesn't know the reason for a particular state of affairs, often with the implication that one finds it strange or surprising:
⦅主に話⦆ どういうわけか, よくはわからないが
e.g. for some reason he likes you.
#conversational_expression #collocation