expression, conjunction
as one would expect from; given that; because
Expresses that a result is natural or expected considering the preceding noun or clause. Often used with a nuance of 'precisely because'.
彼はプロだけに、さすがの腕前だ。
As you'd expect from a pro, his skill is impressive.
この店は人気があるだけに、予約が取りにくい。
Given that this restaurant is popular, it's hard to get a reservation.
expression, conjunction
precisely because; all the more because
Used when an unexpected or ironic result occurs precisely because of the stated reason. Often followed by a negative or surprising outcome.
好きなだけに、嫌いになったときの反動が大きい。
Precisely because I liked it, the backlash when I started to hate it was huge.
期待が大きかっただけに、失望も大きかった。
All the more because expectations were high, the disappointment was great.
expression, conjunction
on account of; being what it is
Used in the pattern ＡがＡだけに to emphasize that the very nature of A leads to a certain outcome, often with a sense of inevitability.
この問題は問題だけに、簡単には解決できない。
This problem, being what it is, cannot be solved easily.
彼が彼だけに、誰も反対できなかった。
expression
only to; only for; only in
A less common usage combining だけ (only) with に (particle), meaning 'only to/for/in'. Not the same as the conjunction だけに. See also だけ.
See also: だけ
この部屋は男性だけに入室が許されている。
Entry is permitted only to men in this room.
そのサービスは会員だけに提供される
On account of him being who he is, no one could oppose him.
That service is provided only to members.