Open up
Open up verb - Cause to open or to become open.
Train and open up are semantically related. in make aware topic. In some cases you can use "Train" instead a verb "Open up".
Train
Train verb - To bring to a proper or desired state of fitness.
Both terms in one sentence
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As her route advances she starts to open up more and after he helps her train for the festival dance, the thought of him helps calm her down on stage because she knows she isn't alone.
Source: Visual Novel / Walkure Romanze -
Also, in the same game if you say "No" when the Great Deku Tree asks if you're ready to enter him and fight the evils inside, he'll assume that you want to train some more and not open up until you talk to him again.
Source: But Thou Must!
Cite this Source
Train and Open up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/open_up/train
Open up & Train. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/open_up/train>.
Train or Open up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/open_up/train.
Google Ngram Viewer shows how "open up" and "train" have occurred on timeline