speciouswriting(facade; assume presentable looks)

cannot describe in words(beyond expression)

have met only once(a once-met acquaintance)

recover from illness without medical help

have wide learning and a retentive memory

not worth mentioning

a hundred years to bring up a generation of able men

Avoid three houses

cannot serve as an evidence

be impossible to acquire a peaceful end

without spot(unspotted)

a matter of no great urgency

to remain a devoted couple to the end of their lives

adopt a wrong method to save a situation and end up by making it worse

to chase the rainbows(to seek gapeseed)

all in the wrong(to have no merits at all)

echo from all quarters

stay clear of the enemy's main force and choose to attack the vulnerable spot

unworthy descendants(black sheep)

remain a devoted couple to the end of their lives