Hill climbing out with our squad involved

• Not straightforward
• Full of twists and turns
• Full of twistings and windings

WordNet Word definitions in WordNet
adj. highly involved or intricate; "the Byzantine tax structure"; "convoluted legal language"; "convoluted reasoning"; "intricate needlework"; "an intricate labyrinth of refined phraseology"; "the plot was too involved"; "a knotty problem"; "got his way ...

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
adjective EXAMPLES FROM OTHER ENTRIES ▪ a tortuous mountain trail ▪ a twisting, tortuous track through the Snake Mountains ▪ At last, an end to the tortuous negotiations was in sight. ▪ It took six months of tortuous negotiations to reach an agreement. ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
late 14c., "full of twists and turns," from Anglo-French tortuous (12c.), Old French tortuos , from Latin tortuosus "full of twists, winding," from tortus "a twisting, winding," from stem of torquere "to twist, wring, distort" (see torque (n.)). Related: ...

Wikipedia Word definitions in Wikipedia