Goby and Hard time

Goby noun - Small spiny-finned fish of coastal or brackish waters having a large head and elongated tapering body having the ventral fins modified as a sucker.

Hard time and goby are semantically related. in ignoring topic. In some cases you can use "Hard time" instead a noun "Goby".

Hard time noun - A difficulty that can be overcome with effort.

Goby and hard time are semantically related. Sometimes you can replace term "Goby" with "Hard time", this terms are similar.