Thus when they provoked Us, We took revenge on from among them; thus We caused them to be drowned altogether.
When Moses and followers were leaving Egypt, Pharoah and his soldiers who followed them to seize were drowned. Those who do not leave Egypt were remained there. That is the meaning of ‘We took revenge on from among them’.
The hypocrites and Mushrik kuffar by hiding Adhikr which is the Food, Clothing and sight of human soul are keeping silent towards terrorism, bloodshed, racism, communalism, apartheid, etc. that are happening all over the world. They will be killed by the other people of Messenger Muhammad such as Jaines, Budhists, Hindus, Jews, Christians, etc. who will approve Islam after the second coming of Jesus, and thus the command of the verses 4: 91; 5: 33; 9: 5, 123; and 33: 60-61 will be implemented. The mode of prayer and life style the odd believer should follow in this period where there is no a group of believers anywhere in the world are explained in verses 7: 205-206. See explanation 7: 31; 10: 90-92; 26: 63-66; and 29: 40.