no plan survives contact with the enemy
After a plan against an enemy is drafted, there will be unexpected elements from the opposition that will call for improvisation.
ADJ.
able, available, free, hot, last, lost, nice, old
I haven't been able to contact my sister since she moved abroad last month.
VERB + CONTACT
am, came, come, feel, find, get, haven't, like
I came into contact with an old friend at the grocery store yesterday.
CONTACT + NOUN
friend, lens, lenses, personality, sister, things
I lost contact with my best friend after we both moved to different cities.
PREP.
between, in, into, until, with
I tried to get in contact with the company but nobody answered the phone.
ADV.
further
I haven't heard from them in months, so I'll contact them further about the project details.