Getting their heads around
Understand/accept an idea
Came face to face
Have direct experience(of something)
Putting his foot in it
Say the wrong thing
See eye to eye
Get on with each other
Caught my eye
Attract your attention
Keep an eye on
Pay attention to
Keep a straight face
Look serious
Get cold feet about
Change your mind
Can’t face
Feel unable to
Put your foot down
Say no to something
Prematurely
Ahead of time
Initial
Beginning/opening
Diagnosed
Identify
Restricted
Limited in extent/constricted
Submerged
Cause to be under water/drown
Regulate
Control
Endurance
Toleration
Consecutive
Following×separate
Observe
Notice
Anticipatory
Foreseeing