take a picture with a hidden camera / sneak a shot

be at the ripe old age of / be at the advanced age of / vigorous / hale / hale and hearty / in green old age

wait with a craned neck

confidence / firm belief / be confident / feel certain / conviction / feel certain of / be sure of / believe firmly / be confident of / It is *one's belief that / be convinced of / be sure / be convinced

enlarge / enlargement / expansion / amplify / expand

draw (a line)

draw a line between *A and *B

make a distinction / make a clear division (between different things) / divide / distinguish / discriminate / draw a clear line (between different things)

herald / divide / draw a clear line / make the difference / mark

schedule / map out a plan / be under consideration / think up a scheme / draw up a plan / make a plan / lay plans / draw up a project