offend = cause to offend, as in w. 8, 9, and Mat_16:27,
little ones. Not the same as in Mat_18:2.
believe in. See App-150.
a millstone = an ass-millstone. Onikos. Occurs only here and Luk_17:2; but frequently in the Papyri (see Deissmann, New Light, &c, p. 76). Here denoting a great millstone requiring an ass to turn it.
about. Greek. epi = upon. App-104. But all the texts read "peri " = around. App-104.
drowned. See note on Mat_14:30.
the depth = the deep sea (i.e. the sea as to its depth).
the sea = the sea (as to its surface). So in Rev_18:17.