1 to be connected

2 traffic

3 transportation

4 communications

5 liaison

1 to receive

2 to answer (the phone)

3 to meet or welcome sb

4 to connect

5 to catch

6 to join

7 to extend

8 to take one's turn on duty

9 to take over for sb

1 to receive (letter etc)

1 to accept

2 to receive

1 to catch and hold on

2 to continue

3 to go on to do sth

4 to follow

5 to carry on

6 then

7 after that

8 subsequently

9 to proceed

10 to ensue

11 in turn

12 in one's turn

1 lit. doesn't (even) enter a single aperture (of one's head)

2 I don't understand a word (idiom)

3 it's all Greek to me

1 grasp this fundamental point and all the rest will follow (idiom)

1 out of breath (idiom)

2 to gasp for air

1 to act in collusion (idiom)

1 mutual exchange of assistance (idiom)

2 to benefit from each other's strengths and make up each other's shortfalls

3 to reciprocate with material assistance

4 scratch each other's back