raise a case
The phrase ‘raise a case with [a company])’ means ‘complain to [a company] about something relating to the company that you are unhappy with‘.
rat out
The phrase ‘rat out’ means ‘quit, or decide not to cooperate with someone or something (after all)‘.
rather than
Note that in the sentence ‘I would rather run than walk.‘, ‘walk’ (not ‘walking’) is used.
read the value off
Here is an example sentence that illustrates the usage of ‘read the value off’: ‘Please read the value of k off Table 1.‘
remote from
The phrase ‘remote from ‘ means ‘far away from‘, as illustrated by the sentence ‘Don’t forget to inspect the shoulder remote from the median.‘.
rename A to B
Both the phrases ‘rename A to B’ and ‘rename A as B’ are acceptable, although the former is more common.
rest my case
In a lawsuit, people use the phrase ‘I rest my case’ to conclude their presentation of evidence and arguments.
In informal situations, you can also humorously use that phrase to show that you believe you have presented sufficient evidence for your views.
return [someone’s] call
The phrase ‘return [someone’s] call’ means ‘call back to [someone] who has called earlier on the telephone ‘.
ride off
The phrase ‘ride off’ means ‘ride away, for example, on a horse‘.
rip up
The phrase ‘rip up’ means ‘tear into shreds‘.
rock up
The phrase ‘rock up’ means ‘arrive late or unannounced‘.
running late
The phrase ‘running late’ means ‘arriving [somewhere] or doing [something] later than planned‘, as illustrated by the sentence ‘Please start the meeting without waiting for me; I’m running a little late‘.