en_tn_condensed/psa/119/115.md

Sustain me by your word

"Give me strength as you said you would" or "Enable me to be strong as you promised"

and not be ashamed of my hope

Here "my hope" represents the writer's trust in God and his promises. This can be stated as a complete sentence. AT: "Do not disappoint me." or "Do not cause me shame by not doing what you promised to do."