Mark 14:33

33 and he taketh Peter, and James, and John with him, and began to be amazed, and to be very heavy,

Mark 14:33 Meaning and Commentary

Mark 14:33

And he taketh with him Peter, and James, and John
Who were witnesses of his transfiguration on the mount, and now of his sorrows in the garden: and began to be sore amazed;
to be in great consternation and astonishment, at the sight of all the sins of his people coming upon him; at the black storm of wrath, that was gathering thick over him; at the sword of justice which was brandished against him; and at the curses of the righteous law, which, like so many thunderbolts of vengeance, were directed at him: no wonder it should be added, and to be very heavy: both with sin and sorrow;
(See Gill on Matthew 26:37).

Mark 14:33 In-Context

31 And he spake the more vehemently, `If it may be necessary for me to die with thee -- I will in nowise deny thee;' and in like manner also said they all.
32 And they come to a spot, the name of which [is] Gethsemane, and he saith to his disciples, `Sit ye here till I may pray;'
33 and he taketh Peter, and James, and John with him, and began to be amazed, and to be very heavy,
34 and he saith to them, `Exceeding sorrowful is my soul -- to death; remain here, and watch.'
35 And having gone forward a little, he fell upon the earth, and was praying, that, if it be possible the hour may pass from him,
Young's Literal Translation is in the public domain.