to hide evidence of one’s actions
自分の行動の証拠を隠す (jibun no kōdō no shōko o kakusu)
"Hackers often cover their tracks after breaking into systems."
"ハッカーはシステムに侵入した後、よく自分の足跡を隠す。" (Hakkā wa shisutemu ni shin'nyū shita ato, yoku **jibun no ashiato o kasu**.)
an attempt to obtain sensitive information by deceit
a difficult decision to make
to create a new vision or concept
too good or powerful to compete with
to have no time or energy left; to be overwhelmed
to discuss something thoroughly
