jittery,jot,judicious,jurisdiction

jittery 緊張不安的

He always becomes jittery before he speaks in public.

jot 草草記下

Let me jot a few notes down so I won't forget anything.

judicious 明智的；審慎的

The most judicious use of our time is to rerun the data with new tests.

jurisdiction 管轄範圍；司法權

The sales staff is forbidden to market out of their jurisdiction.