ph.
be fast in responding to a situation or understanding something
Oxford Dictionary
ph.
be fast in responding to a situation or understanding something
Oxford American Dictionary
ph.
be fast (or slow) in responding to a situation or understanding something
Oxford American Dictionary
ph.
be quick (or slow) to understand something
Oxford Dictionary
ph.
be quick (or slow) to understand something
Oxford American Dictionary
ph.
be fast (or slow) in responding to a situation or understanding something
Oxford Dictionary