My heart
lebab  (lay-bawb')
the heart (as the most interior organ)
ta`ah  (taw-aw')
to vacillate, i.e. reel or stray; also causative of both
pallatsuwth  (pal-law-tsooth')
affright -- fearfulness, horror, trembling.
ba`ath  (baw-ath')
to fear -- affright, be (make) afraid, terrify, trouble.
me the night
nesheph  (neh'-shef)
a breeze, i.e. (by implication) dusk (when the evening breeze prevails) -- dark, dawning of the day (morning), night, twilight.
of my pleasure
chesheq  (khay'-shek)
delight -- desire, pleasure.
hath he turned
suwm  (soom)
to put (used in a great variety of applications, literal, figurative, inferentially, and elliptically)wholly, work.
into fear
charadah  (khar-aw-daw')
fear, anxiety -- care, exceedingly, fear, quaking, trembling.
unto me