تخصَّصَ بـ/ تخصَّصَ في/ تخصَّصَ لـ يتخصَّص، تخصُّصًا، فهو متخصِّص، والمفعول متخصَّص به

: امتاز به عن غيره، انفرد به.

🇬🇧 Translation: : Distinguished himself with it from others, was unique in it.

: قصر عليه بحثَه وجُهدَه فعُرف به، كرَّس نفسَه للقيام به ودراسته

🇬🇧 Translation: : Restricted his research and effort to it and thus became known for it, dedicated himself to doing and studying it (specialized)

: الفترة التي يتلقّى خلالها الطبيبُ تدريبًا طبِّيًّا متخصِّصًا.

🇬🇧 Translation: : The period during which a doctor receives specialized medical training (residency/specialization).

: تعيَّن له وتحدَّد

🇬🇧 Translation: : Was designated and specified for it (allocated)

.

🇬🇧 Translation: .